1039943 has 2 divisors, whose sum is σ = 1039944. Its totient is φ = 1039942.

The previous prime is 1039931. The next prime is 1039949. The reversal of 1039943 is 3499301.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1039943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1039949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 519971 + 519972.

It is an arithmetic number, because the mean of its divisors is an integer number (519972).

2^1039943 is an apocalyptic number.

1039943 is a deficient number, since it is larger than the sum of its proper divisors (1).

1039943 is an equidigital number, since it uses as much as digits as its factorization.

1039943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 1039943 is about 1019.7759557864. The cubic root of 1039943 is about 101.3140893839.

The spelling of 1039943 in words is "one million, thirty-nine thousand, nine hundred forty-three".